On Mon, Apr 20, 2015 at 6:08 PM, Dikang Gu <dikan...@gmail.com> wrote:
> When I bring in a new node into the cluster, it introduces significant > load to the cluster. For the new node, the cpu usage is 100%, but disk > write io is only around 50MB/s, while we have 10G network. > > Does it sound normal to you? > Have you unthrottled both compaction and streaming via JMX/nodetool? Streaming is single threaded and can (?) be CPU bound, I would not be surprised if JIRA contains a ticket on the upper bounds of streaming performance in current implementation. =Rob
